APA (7th ed.) Citation

International Business Machines Corporation. (1967). Datatext operator's instruction guide: Information marketing. IBM Trade Corporation.

Chicago Style (17th ed.) Citation

International Business Machines Corporation. Datatext Operator's Instruction Guide: Information Marketing. New York: IBM Trade Corporation, 1967.

MLA (9th ed.) Citation

International Business Machines Corporation. Datatext Operator's Instruction Guide: Information Marketing. IBM Trade Corporation, 1967.